/* ============================================================
   ML Photo Portfolio — main.css
   Global styles: reset, typography, layout, components
   ============================================================ */

/* ── Tokens ── */
:root {
  --c-black:    #0a0a0a;
  --c-white:    #f5f5f5;
  --c-gray-100: #1a1a1a;
  --c-gray-200: #2a2a2a;
  --c-gray-300: #3d3d3d;
  --c-gray-400: #6b6b6b;
  --c-gray-500: #9a9a9a;
  --c-gray-600: #c8c8c8;
  --c-gray-700: #e0e0e0;

  --font-serif: 'Georgia', 'Times New Roman', Times, serif;
  --font-sans:  'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono:  'Courier New', Courier, monospace;

  --size-xs:   0.6875rem;  /* 11px */
  --size-sm:   0.875rem;   /* 14px */
  --size-base: 1rem;       /* 16px */
  --size-md:   1.25rem;    /* 20px */
  --size-lg:   1.75rem;    /* 28px */
  --size-xl:   2.5rem;     /* 40px */
  --size-2xl:  4rem;       /* 64px */
  --size-3xl:  6rem;       /* 96px */

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;

  --radius-none: 0;

  --trans-fast: 200ms ease;
  --trans-mid:  400ms cubic-bezier(0.16, 1, 0.3, 1);
  --trans-slow: 700ms cubic-bezier(0.16, 1, 0.3, 1);

  --header-h: 72px;
  --container-max: 1400px;
  --container-narrow: 760px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--c-black);
  color: var(--c-white);
  font-family: var(--font-sans);
  font-size: var(--size-base);
  line-height: 1.65;
  overflow-x: hidden;
  max-width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  overflow-x: hidden;
  max-width: 100vw;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}



/* ── WORDPRESS ADMIN BAR AUTO-HIDE ───────────────────────────
   Front-end toolbar stays fully hidden and returns when the mouse
   reaches the top edge of the viewport.
──────────────────────────────────────────────────────────── */
html:has(body.admin-bar) {
  margin-top: 0 !important;
}

body.admin-bar {
  margin-top: 0 !important;
}

body.admin-bar #wpadminbar {
  position: fixed !important;
  top: 0 !important;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 180ms ease, opacity 180ms ease;
  z-index: 999999 !important;
}

body.admin-bar.mlpp-adminbar-visible #wpadminbar,
body.admin-bar #wpadminbar:hover,
body.admin-bar #wpadminbar:focus-within {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 5vw, var(--size-3xl)); }
h2 { font-size: clamp(1.5rem, 3.5vw, var(--size-2xl)); }
h3 { font-size: clamp(1.25rem, 2.5vw, var(--size-xl)); }
h4 { font-size: var(--size-lg); }
h5 { font-size: var(--size-md); }
h6 { font-size: var(--size-base); }

p { max-width: 65ch; }

/* ── Utility ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}
.container--narrow {
  max-width: var(--container-narrow);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── HEADER ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background-color var(--trans-mid), backdrop-filter var(--trans-mid);
}
.site-header--transparent {
  background: transparent;
}
.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-inline: var(--space-md);
  max-width: var(--container-max);
  margin-inline: auto;
}

.site-header__logo a,
.site-header__logo .site-name {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--size-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-white);
}
.site-header__logo .custom-logo {
  max-height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

/* Primary nav */
.primary-nav {
  display: flex;
  align-items: center;
}
.primary-nav__list {
  display: flex;
  gap: var(--space-md);
}
.primary-nav__list a {
  font-size: var(--size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gray-600);
  transition: color var(--trans-fast);
  position: relative;
}
.primary-nav__list a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--c-white);
  transition: width var(--trans-mid);
}
.primary-nav__list a:hover { color: var(--c-white); }
.primary-nav__list a:hover::after { width: 100%; }
.primary-nav__list .current-menu-item > a { color: var(--c-white); }
.primary-nav__list .current-menu-item > a::after { width: 100%; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  z-index: 101;
}
.nav-toggle__line {
  display: block;
  width: 24px; height: 1px;
  background: var(--c-white);
  transition: transform var(--trans-mid), opacity var(--trans-fast);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--c-gray-200);
  padding-block: var(--space-lg);
}
.site-footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.site-footer__logo .site-name {
  font-family: var(--font-serif);
  font-size: var(--size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gray-500);
}
.footer-nav__list {
  display: flex;
  gap: var(--space-md);
}
.footer-nav__list a {
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray-400);
  transition: color var(--trans-fast);
}
.footer-nav__list a:hover { color: var(--c-white); }
.site-footer__copy {
  font-size: var(--size-xs);
  color: var(--c-gray-400);
  letter-spacing: 0.06em;
  max-width: none;
}
.site-footer__copy a { color: inherit; }
.footer-widgets { display: none !important; }

/* ── PORTFOLIO ARCHIVE ── */
.site-main--archive { padding-block: calc(var(--header-h) + var(--space-lg)) var(--space-xl); }

.page-header { margin-bottom: var(--space-lg); }
.page-header__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}
.page-header__description { color: var(--c-gray-500); margin-top: var(--space-sm); }

/* Portfolio filter */
.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.portfolio-filter__btn {
  font-size: var(--size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gray-400);
  padding: 0.4em 0;
  border-bottom: 1px solid transparent;
  transition: color var(--trans-fast), border-color var(--trans-fast);
}
.portfolio-filter__btn:hover,
.portfolio-filter__btn.is-active {
  color: var(--c-white);
  border-color: var(--c-white);
}

/* Portfolio grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-md);
}
.portfolio-card { position: relative; }
.portfolio-card__link { display: block; }
.portfolio-card__media {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--c-gray-100);
}
.portfolio-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow), filter var(--trans-slow);
  filter: grayscale(30%);
}
.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--trans-mid);
}
.portfolio-card__view {
  font-size: var(--size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-white);
  border-bottom: 1px solid var(--c-white);
  padding-bottom: 2px;
}
.portfolio-card__link:hover .portfolio-card__img {
  transform: scale(1.04);
  filter: grayscale(0%);
}
.portfolio-card__link:hover .portfolio-card__overlay { opacity: 1; }
.portfolio-card__meta { padding-top: var(--space-sm); }
.portfolio-card__title {
  font-family: var(--font-serif);
  font-size: var(--size-md);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.portfolio-card__cat {
  display: block;
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray-400);
  margin-top: 0.3em;
}
.portfolio-card__no-img {
  width: 100%; height: 100%;
  background: var(--c-gray-100);
}

/* Post grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}
.post-card__media {
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--c-gray-100);
}
.post-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow);
}
.post-card__media:hover .post-card__img { transform: scale(1.04); }
.post-card__body { padding-top: var(--space-sm); }
.post-card__title { font-size: var(--size-md); margin-bottom: 0.25em; }
.post-card__title a { transition: color var(--trans-fast); }
.post-card__title a:hover { color: var(--c-gray-500); }
.post-card__date {
  font-size: var(--size-xs);
  color: var(--c-gray-400);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: var(--space-xs);
}
.post-card__excerpt { color: var(--c-gray-500); font-size: var(--size-sm); }

/* ── PROJECT SINGLE ── */
.site-main--single { padding-top: var(--header-h); }
.project__container { max-width: min(1480px, calc(100vw - 64px)); }
.project__cover {
  width: min(1180px, calc(100vw - 64px));
  height: auto;
  max-height: none;
  margin: clamp(1.5rem, 4vw, 4rem) auto 0;
  overflow: visible;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project__cover-img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: min(78vh, 900px);
  object-fit: contain;
  object-position: center center;
}
.project__header {
  padding-block: clamp(2.25rem, 5vw, 5rem) clamp(1.75rem, 4vw, 4rem);
  border-bottom: 1px solid var(--c-gray-200);
  margin-bottom: var(--space-lg);
  opacity: 1 !important;
  transform: none !important;
}
.project__meta { margin-bottom: var(--space-sm); }
.project__cat {
  font-size: var(--size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gray-400);
  border-bottom: 1px solid var(--c-gray-300);
  padding-bottom: 1px;
  margin-right: var(--space-sm);
  transition: color var(--trans-fast), border-color var(--trans-fast);
}
.project__cat:hover { color: var(--c-white); border-color: var(--c-white); }
.project__title { font-size: clamp(2.75rem, 5.2vw, 5.8rem); max-width: 12ch; }
.project__excerpt {
  font-size: var(--size-md);
  color: var(--c-gray-500);
  font-family: var(--font-serif);
  margin-top: var(--space-sm);
  font-style: italic;
}
.project__content {
  max-width: 82ch;
  margin-bottom: var(--space-lg);
}
.project__footer {
  padding-block: clamp(2rem, 4vw, 4rem);
  border-top: 1px solid var(--c-gray-200);
  margin-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.project-nav {
  display: flex;
  gap: var(--space-xl);
}
.project-nav__prev,
.project-nav__next {
  display: flex;
  flex-direction: column;
  gap: 0.2em;
  transition: opacity var(--trans-fast);
}
.project-nav__prev:hover,
.project-nav__next:hover { opacity: 0.6; }
.project-nav__dir {
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray-400);
}
.project-nav__title {
  font-family: var(--font-serif);
  font-size: var(--size-md);
}
.back-link {
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray-400);
  border-bottom: 1px solid var(--c-gray-300);
  padding-bottom: 1px;
  transition: color var(--trans-fast), border-color var(--trans-fast);
}
.back-link:hover { color: var(--c-white); border-color: var(--c-white); }

/* ── PAGE SINGLE ── */
.site-main--page { padding-top: calc(var(--header-h) + var(--space-xl)); padding-bottom: var(--space-xl); }
.page-cover {
  margin-bottom: var(--space-xl);
  aspect-ratio: 21/9;
  overflow: hidden;
}
.page-cover__img { width: 100%; height: 100%; object-fit: cover; }
.page-content { margin-top: var(--space-lg); }



/* ── ABOUT PAGE / BIOGRAPHY ── */
.page-about-container {
  max-width: min(1280px, calc(100vw - 64px));
}
.page-header--about {
  margin-bottom: clamp(2rem, 4vw, 4rem);
}
.page-header--about .page-header__title {
  margin-bottom: 0;
}
.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.55fr);
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: start;
  border-top: 1px solid var(--c-gray-200);
  padding-top: clamp(2rem, 4vw, 4rem);
}
.about-layout.no-photo {
  grid-template-columns: minmax(0, 860px);
}
.about-layout__text {
  margin-top: 0;
  max-width: 820px;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}
.about-layout__text p {
  max-width: none;
}
.about-layout__media {
  margin: 0;
  width: 100%;
  position: sticky;
  top: calc(var(--header-h) + var(--space-md));
}
.about-layout__img {
  width: 100%;
  height: auto;
  max-height: 760px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center center;
  filter: grayscale(12%);
}

/* ── ENTRY CONTENT ── */
.entry-content {
  color: var(--c-gray-600);
  font-family: var(--font-serif);
  font-size: var(--size-md);
  line-height: 1.8;
}
.entry-content p + p { margin-top: 1.4em; }
.entry-content h2, .entry-content h3 {
  color: var(--c-white);
  margin-top: 2em;
  margin-bottom: 0.5em;
}
.entry-content a { border-bottom: 1px solid var(--c-gray-400); transition: border-color var(--trans-fast); }
.entry-content a:hover { border-color: var(--c-white); }
.entry-content figure { margin-block: var(--space-lg); }
.entry-content figcaption {
  font-size: var(--size-sm);
  color: var(--c-gray-400);
  font-family: var(--font-sans);
  margin-top: var(--space-xs);
}
.entry-content blockquote {
  border-left: 2px solid var(--c-gray-300);
  padding-left: var(--space-md);
  font-style: italic;
  color: var(--c-gray-500);
  margin-block: var(--space-md);
}

/* ── SINGLE POST ── */
.single-cover { margin-bottom: var(--space-xl); aspect-ratio: 16/7; overflow: hidden; }
.single-cover__img { width: 100%; height: 100%; object-fit: cover; }
.single-header { padding-block: var(--space-xl) var(--space-lg); border-bottom: 1px solid var(--c-gray-200); }
.single-header__meta {
  display: flex; gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray-400);
}
.single-header__date { color: var(--c-gray-400); }
.single-header__cat {
  color: var(--c-gray-400);
  border-bottom: 1px solid var(--c-gray-300);
  transition: color var(--trans-fast);
}
.single-header__cat:hover { color: var(--c-white); }
.single-header__title { font-size: clamp(2rem, 4vw, 4rem); }
.single-header__excerpt {
  font-size: var(--size-md);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--c-gray-500);
  margin-top: var(--space-sm);
}
.single-content { margin-top: var(--space-lg); }
.single-footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--c-gray-200);
  margin-top: var(--space-xl);
}
.single-footer__tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-md); }
.tag-link {
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--c-gray-300);
  padding: 0.3em 0.8em;
  color: var(--c-gray-400);
  transition: border-color var(--trans-fast), color var(--trans-fast);
}
.tag-link:hover { border-color: var(--c-white); color: var(--c-white); }
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
}
.post-nav__prev, .post-nav__next {
  display: flex; flex-direction: column; gap: 0.2em;
  transition: opacity var(--trans-fast);
}
.post-nav__prev:hover, .post-nav__next:hover { opacity: 0.6; }
.post-nav__prev span, .post-nav__next span {
  font-size: var(--size-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-gray-400);
}
.post-nav__prev strong, .post-nav__next strong {
  font-family: var(--font-serif); font-size: var(--size-md); font-weight: 400;
}

/* ── 404 ── */
.site-main--404 {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}
.error-404 { padding-block: var(--space-xl); }
.error-404__code {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(6rem, 20vw, 16rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--c-gray-200);
  margin-bottom: var(--space-sm);
  user-select: none;
}
.error-404__title { font-size: clamp(1.5rem, 3vw, 2.5rem); margin-bottom: var(--space-sm); }
.error-404__message { color: var(--c-gray-500); margin-bottom: var(--space-lg); }

/* ── SHARED COMPONENTS ── */
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--c-gray-400);
  padding-bottom: 2px;
  color: var(--c-gray-400);
  transition: color var(--trans-fast), border-color var(--trans-fast);
}
.btn-text:hover { color: var(--c-white); border-color: var(--c-white); }

.no-results {
  padding-block: var(--space-xl);
  color: var(--c-gray-400);
}

/* Pagination */
.nav-links {
  display: flex;
  gap: var(--space-sm);
  padding-top: var(--space-xl);
}
.page-numbers {
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  color: var(--c-gray-400);
  padding: 0.4em 0.8em;
  border: 1px solid var(--c-gray-300);
  transition: border-color var(--trans-fast), color var(--trans-fast);
}
.page-numbers:hover,
.page-numbers.current {
  border-color: var(--c-white);
  color: var(--c-white);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .page-about-container { max-width: calc(100vw - 32px); }
  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .about-layout__text {
    text-align: left;
    hyphens: none;
  }
  .about-layout__media {
    order: -1;
    position: relative;
    top: auto;
  }
  .about-layout__img {
    max-height: none;
    aspect-ratio: 4 / 5;
  }

  :root { --space-xl: 4rem; --space-lg: 2.5rem; }

  .nav-toggle { display: flex; }

  .primary-nav {
    position: fixed;
    inset: 0;
    background: var(--c-black);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--trans-mid);
    z-index: 99;
  }
  .primary-nav.is-open {
    opacity: 1;
    pointer-events: auto;
  }
  .primary-nav__list {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }
  .primary-nav__list a {
    font-size: var(--size-md);
    letter-spacing: 0.1em;
  }

  .portfolio-grid { grid-template-columns: 1fr; }
  .post-grid      { grid-template-columns: 1fr; }

  .project__container { max-width: calc(100vw - 32px); }
  .project__cover { width: calc(100vw - 32px); margin-top: var(--space-md); }
  .project__title { max-width: none; }
  .project__footer { flex-direction: column; align-items: flex-start; }
  .project-nav { flex-direction: column; gap: var(--space-md); }

  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}